cve-2022-49748
Vulnerability from cvelistv5
Published
2025-03-27 16:42
Modified
2025-05-04 12:45
Severity ?
EPSS score ?
Summary
perf/x86/amd: fix potential integer overflow on shift of a int
References
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In the case where\ni is 32 or more this can lead to an overflow. Avoid this by shifting\nusing the BIT_ULL macro instead." } ], "providerMetadata": { "dateUpdated": "2025-05-04T12:45:12.800Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/fbf7b0e4cef3b5470b610f14fb9faa5ee7f63954" }, { "url": "https://git.kernel.org/stable/c/f84c9b72fb200633774704d8020f769c88a4b249" }, { "url": "https://git.kernel.org/stable/c/14cc13e433e1067557435b1adbf05608d7d47a93" }, { "url": "https://git.kernel.org/stable/c/a4d01fb87ece45d4164fd725890211ccf9a307a9" }, { "url": "https://git.kernel.org/stable/c/08245672cdc6505550d1a5020603b0a8d4a6dcc7" } ], "title": "perf/x86/amd: fix potential integer overflow on shift of a int", "x_generator": { "engine": "bippy-1.2.0" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2022-49748", "datePublished": "2025-03-27T16:42:57.784Z", "dateReserved": "2025-03-27T16:39:17.987Z", "dateUpdated": "2025-05-04T12:45:12.800Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2022-49748\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-03-27T17:15:39.597\",\"lastModified\":\"2025-04-14T20:27:28.673\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nperf/x86/amd: fix potential integer overflow on shift of a int\\n\\nThe left shift of int 32 bit integer constant 1 is evaluated using 32 bit\\narithmetic and then passed as a 64 bit function argument. In the case where\\ni is 32 or more this can lead to an overflow. Avoid this by shifting\\nusing the BIT_ULL macro instead.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: perf/x86/amd: se corrige un posible desbordamiento de enteros al desplazar un entero. El desplazamiento a la izquierda de la constante entera de 32 bits 1 se eval\u00faa mediante aritm\u00e9tica de 32 bits y se pasa como argumento de funci\u00f3n de 64 bits. Si i es 32 o m\u00e1s, esto puede provocar un desbordamiento. Para evitarlo, utilice la macro BIT_ULL para desplazar.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-190\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4.22\",\"versionEndExcluding\":\"5.4.231\",\"matchCriteriaId\":\"ABC74FD6-0366-4773-94D0-F91DACEE3A1A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5.6\",\"versionEndExcluding\":\"5.10.166\",\"matchCriteriaId\":\"49400A90-8418-4C7D-B0F2-72D9751BF141\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.91\",\"matchCriteriaId\":\"91C2E92D-CC25-4FBD-8824-56A148119D7E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.9\",\"matchCriteriaId\":\"ED5B6045-B1D2-4E03-B194-9005A351BCAE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"FF501633-2F44-4913-A8EE-B021929F49F6\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/08245672cdc6505550d1a5020603b0a8d4a6dcc7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/14cc13e433e1067557435b1adbf05608d7d47a93\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a4d01fb87ece45d4164fd725890211ccf9a307a9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f84c9b72fb200633774704d8020f769c88a4b249\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fbf7b0e4cef3b5470b610f14fb9faa5ee7f63954\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}" } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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